From f1d23ead0700340ccc5c263aa2df9d5f59c8bf5e Mon Sep 17 00:00:00 2001
From: Jarno Rankinen <jarno.rankinen+github@gmail.com>
Date: Thu, 22 Oct 2020 19:16:10 +0300
Subject: [PATCH] snapsh-post-rollback.service fixed

Globbing (*.backup) fixed
---
 snapsh | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/snapsh b/snapsh
index ae284f7..846d588 100755
--- a/snapsh
+++ b/snapsh
@@ -238,19 +238,24 @@ post-rollback() {
 
     echo "Checking for leftover subvolumes..." | systemd-cat -t snapsh
 
-    BACKUPS=("${TOPLEVEL}/*.backup/")
+    BACKUPS=(${TOPLEVEL}/*.backup/)
 
-    if [[ -n "$BACKUPS" ]]; then
-        for backup in ${TOPLEVEL}/*.backup/; do
+    if [[ -n "${BACKUPS[@]}" ]]; then
+
+        for backup in "${BACKUPS[@]}"; do
             echo "${backup} found" | systemd-cat -t snapsh
-            echo "Deleting ${backup}..." | systemd-cat -t snapsh
+            echo "Deleting  ${backup}..." | systemd-cat -t snapsh
             ${BTRFS_EXECUTABLE} subvolume delete ${backup} > /dev/null
-            let EXIT_CODE=${EXIT_CODE}+$?
+            let EXIT_CODE=${EXIT_CODE}+${?}
         done
+
         exit ${EXIT_CODE}
+
     else
+
         echo "No leftovers found." | systemd-cat -t snapsh
         exit 0
+        
     fi
 }